How Bluetooth Works

http://electronics.howstuffworks.com/bluetooth.htm

How Bluetooth Works
by Julia Layton and Curt Franklin
Inside This Article
1.
Introduction to How Bluetooth Works
2.
How Bluetooth Creates a Connection
3.
How Bluetooth Operates
4.
Bluetooth Piconets
5.
Bluetooth Security
6.
Lots More Information
7.
See all Wireless articles
Photo courtesy DealTimeJabra FreeSpeak BT250 Bluetooth headset. Check out our mobile
technology image gallery.There are lots of different ways that electronic devices can connect to one another. For example:
Component cables
Electrical wires
Ethernet cables
WiFi
Infrared signals
When you use computers, entertainment systems or telephones, the various pieces and parts of the systems make up a community of electronic devices. These devices communicate with each other using a variety of wires, cables, radio signals and infrared light beams, and an even greater variety of connectors, plugs and protocols.
The art of connecting things is becoming more and more complex every day. In this article, we will look at a method of connecting devices, called Bluetooth, that can streamline the process. A Bluetooth connection is wireless and automatic, and it has a number of interesting features that can simplify our daily lives.